docs: def set_itunes_closed_captioned(self):
          """Parses isClosedCaptioned from itunes tags and sets value"""
          try:
              self.itunes_closed_captioned = self.soup.find(
                  'itunes:isclosedcaptioned').string
              self.itunes_closed_captioned = self.itunes_closed_captioned.lower()
          except AttributeError:
              self.itunes_closed_captioned = None